Mercury MerCruiser D2.8L D-Tronic Service Manual page 676

EDI DIAGNOSIS
MAP (Manifold Absolute Pressure) / IAT (Intake Air Temperature) Sensor
Refer to Service Precautions, in Repair Procedures, BEFORE proceeding.
REMOVAL
1. Disconnect electrical connector from the MAP / IAT sensor.
2. Remove screws from sensor and J-clip retaining coolant pipe.
3. Remove sensor from intercooler housing.
CLEANING
1. Clean sensor with a dry cloth.
2. Clean harness connector.
INSPECTION
1. Look for evidence of any physical damage to base or connector surfaces of the sensor.
2. Visually inspect electrical pins of sensor for straightness and no corrosion.
3. Visually inspect connectors on the wiring harness for corrosion and terminals that may
have backed out of the harness.
4. Inspect O-ring seal for damage.
Page 5E-108
a - MAP/IAT Sensor
b - Electrical Connector
c - Intercooler
d - J-clip
NOTICE
a
b
c
75582
SERVICE MANUAL NUMBER 22
d
90-860074--1 FEBRUARY 2002